So far in this series, pretty much every material we’ve covered has had to undergo a significant industrial process to transform it from its natural state to a more useful product. Whether it’s the ...

Quartz crystals are difficult to knap due to size, hardness, and crystalline structure, making them a "low-quality" raw material. However, the Clovis people of North America sometimes made points and ...

That however will only give you part of the story, for there is more to the quartz resonator than first meets the eye. It’s All In The Overtones The resonant frequency of a quartz crystal is ...

When earthquakes squeeze quartz crystals, the mineral generates electricity that attracts gold particles. Pierre Longnus via Getty Images Earthquakes may help prospectors strike gold: When these ...

The earliest hunter-gatherers in the Americas were expert stone knappers, and fashioned a variety of tools and weapons out of high-quality chert. Known as the Clovis people, this prehistoric culture ...